Outdoor rug fastening device



FIG. 1 is a top perspective view of my outdoor rug fastening device in an open position, showing my new design;

FIG. 2 is a top view of my outdoor rug fastening device in the fastened position;

FIG. 3 is the bottom view thereof;

FIG. 4 is the side view thereof, the side opposite being a mirror image; and,

FIG. 5 is the side view of my outdoor rug fastening device in the fastened position. 

The ornamental design for an outdoor rug fastening device, as shown and described. 